Consider the elementary reaction equations shown. A.
A(g)+B(g) — C(g)+D(g)
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B.
2 X(g) →Y(g)+Z(g)
Write the rate law for reaction A.
Write the rate law for reaction B.

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.

What are the major types of a chemical compound